Infective form of T. brucei?

Infective form of T. brucei ?
a) Amastigote
b) Trypomastigote
c) Egg
d) None
Correct Answer - B
Ans. is ‘b’ i.e., Trypomastigote
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170312074241/95/trypanosoma-1-4-638.jpg?cb=1489304612